Abstract
Behaviour of the Co magnetic moments in dilute PtFe alloys was studied in the temperature range of 5-50 mK and the external magnetic field range of 0-8.5 T using low-temperature nuclear orientation. Kondo behaviour of Co, known to exist in pure Pt, was found in the sample of lowest concentration only (Pt+0.22 at.% Fe). Large misalignment of the Co magnetic moments was seen, especially for alloys having Fe concentration slightly above the percolation limit 0.76 at.%. An anomaly in the hyperfine field value on the Co nucleus was also found in these alloys.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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